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437
GS350_200t_GS F_OM_OM30E86U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Light bulbs
Check the wattage of the light bulb to be replaced. (
→P. 5 5 4 )
→ P. 3 9 9
Front turn signal light (vehicles with single-beam headlights)
You may replace the following bulbs by yourself. The difficulty level of replace-
ment varies depending on the bulb. If necessary bulb replacement seems diffi-
cult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
Preparing for light bulb replacement
Removing the engine compartment covers
Bulb locations
1
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GS350_200t_GS F_OM_OM30E86U_(U)
4396-3. Do-it-yourself maintenance
6
Maintenance and care
When installing, reverse the steps listed.
After installing the bulb base, secure the cord with the clips and if replacing the left
side bulb, make sure to install the bolt for the washer fluid filler opening in its origi-
nal position.
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your Lexus
dealer.
●Headlights
●Parking lights/daytime running lights
●Front side marker lights
●Front turn signal lights (vehicles with triple-beam headlights)
●Side turn signal lights
●Stop/tail lights
●Stop lights
●Rear side marker lights
●Rear turn signal lights
●Back-up lights
●High mounted stoplight
●License plate lights
●Outer foot lights
4
XRight side XLeft side
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440
GS350_200t_GS F_OM_OM30E86U_(U)6-3. Do-it-yourself maintenance
■LED Lights
The lights other than the front turn signal lig
ht (vehicles with single-beam headlights) and
outer foot lights each consist of a number of LEDs. If any of the LEDs burn out, take your
vehicle to your Lexus dealer to have the light replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction. Contact your Lexus dealer for more information in the following situations:
●Large drops of water have built up on the inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs
→ P. 4 3 4
WA R N I N G
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace the bulb immediately after turning off the
lights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with bare hands. When it is unavoid-
able to hold the glass portion, use and hold with a clean dry cloth to avoid getting
moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may result
in heat damage, fire, or water entering th e headlight unit. This may damage the head-
lights or cause condensation to build up on the lens.
■To prevent damage or fire
●Make sure bulbs are fully seated and locked.
●Check the wattage of the bulb before installing to prevent heat damage.
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4707-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
(If equipped)
Indicates a malfunction in the LKA (Lane-Keeping
Assist) systemA buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
The operation conditions of the camera sensor (temper-
ature, etc.) are not met.
→When the operation conditions of the camera sen-
sor (temperature, etc.) are met, the following sys-
tems will become available.
• PCS (Pre-Collision System)
• LKA (Lane-Keeping Assist) system
• LDA (Lane Departure Alert with steering control) system
• Automatic High Beam
(If equipped)
Indicates that the system is temporarily unavailable due
to a malfunction in a sensor other than the camera sen-
sor A buzzer also sounds.
→ Turn the LDA (Lane Departure Alert with steering
control) system off, wait for a little while, and then
turn the LDA (Lane Departure Alert with steering
control) system back on.
(If equipped)
Indicates that the system is temporarily unavailable due
to a malfunction in a sensor other than the camera sen-
sor
A buzzer also sounds.
→ Turn the LKA (Lane-Keeping Assist) system off, wait
for a little while, and then turn the LKA (Lane-Keep-
ing Assist) system back on.
Warning messageDetails/Actions
(Flashes)
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4717-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
7
When trouble arises
(If equipped)
Dirt, rain, condensation, ice, snow, etc., are present on
the windshield in front of the camera sensor. The following systems will be temporarily unusable.
• PCS (Pre-Collision System)
• LKA (Lane-Keeping Assist) system
• LDA (Lane Departure Alert with steering control)system
• Automatic High Beam
→ Turn the system off, remove any dirt, rain, condensa-
tion, ice, snow, etc., from the windshield, and then
turn the system back on.
(If equipped)
Indicates a malfunction in the PCS (Pre-Collision Sys-
tem)
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
system A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions
(Flashes)
(Flashes)
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4797-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
7
When trouble arises
Indicates that engine oil level is low This message may appear if the vehicle is stopped on a
slope. Move the vehicle to a level surface and check to
see if the message disappears.
A buzzer also sounds.
→ Check the level of engine oil, and add if necessary.
Indicates a malfunction in:
• The Automatic High Beam system (if equipped);
• The AFS (Adaptive Front-lighting System) (if
equipped); or
• The LED headlight system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(GS F for Canada only)
Indicates that the brake pads are worn out
A buzzer also sounds
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions
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4837-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
7
When trouble arises
Warning messageDetails/Actions
(If equipped)
Indicates that the Automatic High Beam switch was
pressed while the low beams were on
→ Turn the high beam headlights on before pressing
the automatic high beam switch.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-collision braking and pre-
collision brake assist are stopped (The pre-collision
warning function will be operational)
→Tu r n t h e V S C o n . ( →P. 3 1 1 )
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597
GS350_200t_GS F_OM_OM30E86U_(U)
9
For owners
Headlight aim instructions for Canadian owners (in
French) (vehicles with single-beam headlights)
Boulon de réglage A
Boulon de réglage B
Assurez-vous que le réservoir de carburant du véhicule est plein et que la
partie de carrosserie située autour des phares n’est pas déformée.
Garez le véhicule sur un sol parfaitement horizontal.
Asseyez-vous sur le siège du conducteur.
Faites rebondir le véhicule à plusieurs reprises.
The following is a French explanation of headlight aim instructions from the
headlight aim section in this manual.
Boulons de réglage vertical
1
2
Avant de vérifier la portée des phares
1
2
3
4